| Athletes name | Federation | Gender | Hand | Age |
| Roko Knezić | Croatia | Boys | Dual Righthanded | 17 |
| Matěj Vacík | Czech Republic | Boys | Righthanded | 17 |
| Ondřej Prekop | Czech Republic | Boys | Dual Righthanded | 16 |
| Tomáš Vacek | Czech Republic | Boys | Righthanded | 15 |
| Václav Kordulík | Czech Republic | Boys | Dual Righthanded | 17 |
| Andrea Mazalová | Czech Republic | Girls | Righthanded | 18 |
| Eliška Krummerová | Czech Republic | Girls | Righthanded | 18 |
| Ema Iwazawa | Czech Republic | Girls | Righthanded | 13 |
| Lucie Hrazdírová | Czech Republic | Girls | Righthanded | 18 |
| Anton Petersen | Denmark | Boys | Lefthanded | 17 |
| Benjamin Kristensen | Denmark | Boys | Righthanded | 16 |
| Niclas Rasmussen | Denmark | Boys | Righthanded | 18 |
| Nicolas Carter | Denmark | Boys | Righthanded | 17 |
| Hanne Antonsen | Denmark | Girls | Righthanded | 17 |
| Karen Kærgaard Nielsen | Denmark | Girls | Lefthanded | 16 |
| Maja Løntoft | Denmark | Girls | Righthanded | 16 |
| Mia Madsen | Denmark | Girls | Righthanded | 18 |
| Ben Robinson | England | Boys | Righthanded | 18 |
| Charlie Upton | England | Boys | Righthanded | 15 |
| Dan Harding | England | Boys | Righthanded | 17 |
| Jack Blyth | England | Boys | Righthanded | 18 |
| Izzy Fletcher | England | Girls | Righthanded | 17 |
| Jessica Sillis | England | Girls | Righthanded | 16 |
| Kara Zucca | England | Girls | Righthanded | 17 |
| Millie Upton | England | Girls | Righthanded | 17 |
| Joosep Talviste | Estonia | Boys | Dual Righthanded | 17 |
| Karl Martin Veiderpass | Estonia | Boys | Dual Righthanded | 15 |
| Kristofer Saarm | Estonia | Boys | Dual Righthanded | 18 |
| Siim Henrik Saar | Estonia | Boys | Dual Righthanded | 17 |
| Kaisa-Ly Lee | Estonia | Girls | Righthanded | 12 |
| Jani Soukka | Finland | Boys | Dual Righthanded | 18 |
| Lenni Juutilainen | Finland | Boys | Dual Lefthanded | 18 |
| Luukas Väänänen | Finland | Boys | Dual Righthanded | 17 |
| Roni Leskinen | Finland | Boys | Righthanded | 17 |
| Mila Nevalainen | Finland | Girls | Righthanded | 18 |
| Peppi Konsteri | Finland | Girls | Righthanded | 18 |
| Pinja Laukkanen | Finland | Girls | Righthanded | 18 |
| Tiiamari Laukkanen | Finland | Girls | Righthanded | 16 |
| Galaad Navarro | France | Boys | Righthanded | 17 |
| Loick Coolen | France | Boys | Righthanded | 18 |
| Maxime Lambel | France | Boys | Righthanded | 18 |
| Valentin Caumont | France | Boys | Righthanded | 17 |
| Anais Crouzat | France | Girls | Righthanded | 18 |
| Julie Perrier | France | Girls | Righthanded | 17 |
| Lizea Bergamino | France | Girls | Righthanded | 16 |
| Yvanna Lerevenu | France | Girls | Righthanded | 17 |
| Max Lorenz | Germany | Boys | Dual Righthanded | 16 |
| Ryan Zapp | Germany | Boys | Dual Righthanded | 14 |
| Shane Wanzke | Germany | Boys | Dual Righthanded | 15 |
| Stefan Olbricht | Germany | Boys | Righthanded | 17 |
| Celine Lüdecke | Germany | Girls | Righthanded | 17 |
| Fiona Lindemann | Germany | Girls | Dual Righthanded | 14 |
| Lea Teschner | Germany | Girls | Righthanded | 17 |
| Maxine Bolek | Germany | Girls | Righthanded | 15 |
| Aron Hafthorsson | Iceland | Boys | Dual Righthanded | 18 |
| Hinrik Oli Gunnarsson | Iceland | Boys | Righthanded | 18 |
| Isak Birkir Sævarsson | Iceland | Boys | Dual Righthanded | 18 |
| Mikael Aron Vilhelmsson | Iceland | Boys | Dual Righthanded | 15 |
| Hafdis Eva L. Petursdottir | Iceland | Girls | Righthanded | 17 |
| Særos Erla Johonnudottir | Iceland | Girls | Righthanded | 12 |
| Andrew Grant | Ireland | Boys | Dual Righthanded | 18 |
| Dillon McKeown | Ireland | Boys | Dual Righthanded | 16 |
| Sean Staines | Ireland | Boys | Righthanded | 18 |
| Taylor Williams | Ireland | Boys | Dual Righthanded | 18 |
| Abby McKeever | Ireland | Girls | Righthanded | 17 |
| Anna Farren | Ireland | Girls | Righthanded | 18 |
| Hannah Masterson | Ireland | Girls | Dual Righthanded | 16 |
| Laura Grant | Ireland | Girls | Righthanded | 14 |
| Amit Waisz | Israel | Boys | Righthanded | 17 |
| Gil Lapidot | Israel | Boys | Dual Righthanded | 13 |
| Ido Daviv Zluf | Israel | Boys | Righthanded | 18 |
| Roy Yehene | Israel | Boys | Righthanded | 18 |
| David Giantomassi | Italy | Boys | Righthanded | 15 |
| Emanuele Camponesco | Italy | Boys | Dual Righthanded | 18 |
| Giorgio Gragnaniello | Italy | Boys | Righthanded | 18 |
| Mario Del Gaudio | Italy | Boys | Righthanded | 18 |
| Laurynas Narusis | Lithuania | Boys | Dual Righthanded | 17 |
| Dwayne Zahra | Malta | Boys | Lefthanded | 17 |
| Kayden Lagana | Malta | Boys | Dual Righthanded | 14 |
| Nicholas Muscat | Malta | Boys | Dual Righthanded | 17 |
| Nicolai Mallia | Malta | Boys | Dual Lefthanded | 12 |
| Karlise Bartolo | Malta | Girls | Righthanded | 13 |
| Kathryn Fenech | Malta | Girls | Righthanded | 17 |
| Mia Bugeja | Malta | Girls | Righthanded | 14 |
| Ruslana Grima | Malta | Girls | Righthanded | 17 |
| Floris Dollevoet | Netherlands | Boys | Righthanded | 15 |
| Milan Scheffer | Netherlands | Boys | Righthanded | 18 |
| Nick Schokker | Netherlands | Boys | Dual Righthanded | 18 |
| Vince van der Loo | Netherlands | Boys | Righthanded | 17 |
| Rosan Hamminga | Netherlands | Girls | Righthanded | 15 |
| Rosanne Reedijk | Netherlands | Girls | Righthanded | 17 |
| Stefanie Hoefnagels | Netherlands | Girls | Righthanded | 17 |
| Veerle Tribulet | Netherlands | Girls | Righthanded | 14 |
| Gaute Øye Melstveit | Norway | Boys | Righthanded | 18 |
| Mathias Danielsen Otting | Norway | Boys | Dual Righthanded | 14 |
| Sander Kastås-Lindstad | Norway | Boys | Dual Righthanded | 18 |
| Sondre Talgø Olsen | Norway | Boys | Righthanded | 17 |
| Jenny Mathiesen | Norway | Girls | Righthanded | 17 |
| Madelen Thorsrudhagen Danielsen | Norway | Girls | Dual Righthanded | 14 |
| Mia Linnea Waldahl Lillegjære | Norway | Girls | Righthanded | 15 |
| Sanne Ørdal | Norway | Girls | Righthanded | 17 |
| Aleks Szczepaniak | Poland | Boys | Dual Righthanded | 17 |
| Dominik Chomicz | Poland | Boys | Dual Righthanded | 17 |
| Mikołaj Czarnecki | Poland | Boys | Dual Righthanded | 18 |
| Patryk Antosiak | Poland | Boys | Dual Righthanded | 15 |
| David Malnasi | Romania | Boys | Righthanded | 17 |
| Mate Balazs-Becsi | Romania | Boys | Dual Righthanded | 14 |
| Mihai Dragnia | Romania | Boys | Dual Lefthanded | 16 |
| Tamas Verzar | Romania | Boys | Righthanded | 16 |
| Barbara Birta | Romania | Girls | Righthanded | 16 |
| Delia-Maria Marin | Romania | Girls | Righthanded | 18 |
| Letitia-Stefania Mihai | Romania | Girls | Righthanded | 18 |
| Nikolett Toth | Romania | Girls | Righthanded | 15 |
| Calum Robertson | Scotland | Boys | Righthanded | 17 |
| Campbell Gribben | Scotland | Boys | Righthanded | 17 |
| Jack Mcdermott | Scotland | Boys | Righthanded | 17 |
| Lee Rigby | Scotland | Boys | Righthanded | 18 |
| Amy Addison | Scotland | Girls | Righthanded | 17 |
| Isla Claxton | Scotland | Girls | Righthanded | 11 |
| Melissa Ainslie | Scotland | Girls | Righthanded | 15 |
| Sarah Scott | Scotland | Girls | Righthanded | 11 |
| Daniel Jánoš | Slovakia | Boys | Righthanded | 18 |
| Dávid Barak | Slovakia | Boys | Dual Righthanded | 15 |
| Šimon Hrušovský | Slovakia | Boys | Righthanded | 18 |
| Šimon Jaroš | Slovakia | Boys | Dual Righthanded | 17 |
| Adrian Gal Del Piero | Slovenia | Boys | Righthanded | 16 |
| Qendrim Krasniqi | Slovenia | Boys | Righthanded | 14 |
| Alja Bergauer | Slovenia | Girls | Righthanded | 18 |
| Eva Krafogel | Slovenia | Girls | Righthanded | 18 |
| Alejandro Almagro | Spain | Boys | Dual Righthanded | 18 |
| Erik Guillermo | Spain | Boys | Righthanded | 17 |
| Alvin Kvarnström | Sweden | Boys | Dual Lefthanded | 18 |
| Carl Eklund | Sweden | Boys | Dual Righthanded | 16 |
| Robin Ilhammar | Sweden | Boys | Dual Righthanded | 18 |
| Robin Noberg | Sweden | Boys | Dual Righthanded | 16 |
| Alice Lindqvist | Sweden | Girls | Righthanded | 18 |
| Kajsa Samuelsson | Sweden | Girls | Righthanded | 16 |
| Maja Engberg | Sweden | Girls | Righthanded | 17 |
| Nicole Layrisse | Sweden | Girls | Righthanded | 17 |
| Ambauen Alessandro | Switzerland | Boys | Dual Righthanded | 15 |
| Doujak Aaron | Switzerland | Boys | Dual Righthanded | 18 |
| Ecoffey Kilian | Switzerland | Boys | Dual Righthanded | 18 |
| Klingler Tobias | Switzerland | Boys | Righthanded | 16 |
| Zeberli Steffanie | Switzerland | Girls | Righthanded | 17 |
| Demir Aydemir | Turkey | Boys | Righthanded | 17 |
| Efe Erdem | Turkey | Boys | Righthanded | 18 |
| Tuna Boncu | Turkey | Boys | Dual Righthanded | 15 |
| Elif Erdem | Turkey | Girls | Righthanded | 17 |
| Andrii Gadiatskyi | Ukraine | Boys | Dual Lefthanded | 14 |
| Danylo Mazikin | Ukraine | Boys | Righthanded | 14 |
| Semen Ostroverkh | Ukraine | Boys | Righthanded | 15 |
| Viktor Miroshnychenko | Ukraine | Boys | Dual Righthanded | 14 |